The hybrid joint with a wide range of lineup has reached a cumulative adoption of approximately 20,000 locations! Durability proven for 100 years.
Ideal for aging bridge construction! Used for seismic reinforcement work, performance restoration work, and also for corroded steel structures.
We are manufacturing expansion devices for bridges (steel finger joints).
You can install scaffolding on the float! Enjoy the water space freely! Information on floating dock rentals.
Special solvent-based adhesive with excellent adhesion and elasticity.
Innovative expansion devices for bridges that extensively incorporate new mechanisms.
Introduction of a net for preventing concrete spalling that allows visual confirmation of changes!
Excellent fatigue durability! A strip-shaped rubber bearing made by integrally vulcanizing elastic rubber and hard rubber.
Low modulus high elongation characteristic expansion device gap filling elastic waterproof sealing material!
A movable rubber bearing device with high structural performance and compact design that generates a reduction in support costs.
Bridge collapse prevention device based on the road bridge specification! Connecting cables with durability, cushioning, and flexibility.
A sacrificial anode material with higher corrosion resistance and durability than conventional Galva Shield, achieving the corrosion protection effect equivalent to that of cathodic protection. (Corrosion suppression, suitable for rebar rust prevention)
Reduction of the weight of the bearing itself! An ultra-compact rubber bearing device that improves workability during handling.
Thorough support with high reliability and prompt response! Precast bridges with excellent rapid construction capability.
No need for anti-corrosion work on-site! Stay cables for cable-stayed bridges with excellent weather resistance and durability.
Achieving reduced construction costs and lightweight, compact design! Energy-absorbing bridge collapse prevention device.
Technology for extending the lifespan of bridge structures! Measures against bridge aging and the increase in the size of passing vehicles!
Safe, speedy, and economical bridge installation scaffolding.
Cost reduction is possible! Because it is coated, it does not cause welding defects.
Suspension-type cushioning material for bridge collapse prevention devices!
Improving economic efficiency in small bridges under 20 meters.
A lineup of agricultural machinery in general and bridges for riding agricultural machines!
A structure that does not lose its bearings even in a major earthquake! Separated functional movable and fixed rubber bearings.
Bridge collapse prevention during earthquakes! Connection-type bridge collapse prevention device using PC steel wire and PC steel bars.
A mobility restriction device that is less likely to cause concerns about individual defeats, making it easier to aggregate the number of installations.
The technology of Kowa Industries, active in your local area! Centered around 12 factories, we leverage each of our technologies to enhance customer satisfaction.
Lightweight and slim! The high durability of high-strength concrete enables the long lifespan of bridge girders!
Explaining the four benefits, construction methods, and types! Also introducing the manufacturers that produce them.
For new constructions and seismic retrofitting! Vibration control dampers that protect bridge structures in earthquake-prone Japan!
Excellent durability and easy installation. Numerous achievements nationwide for bridge pier repair work and events! [Rental of floating piers is also available.]
We provide anchor bars and anchor caps installed to restrict girder movement of bridge rubber bearings and to prevent bridge collapse.
Supports loads from all directions with minimal components! All-in-one structure rubber bearing.
A pad-type rubber bearing with load transmission function, displacement tracking function, and excellent fatigue durability.
A functional integrated fixed and movable bearing combining a DSF pad and steel components.
Bridge expansion device with a support function for wheel pressure at the expansion joint.
Durable and easy to install! Standard type secondary water stop structure for bridge expansion devices.
A structure designed with consideration for workability during regular inspections from below the bridge and when replacing water-stopping materials after it has been put into service!
Achieved a reduction in the number of workers and a significant shortening of the traffic regulation period, contributing to a reduction in total costs!
As a seismic control component, this method absorbs seismic energy by installing it in arch bridges and frame bridges, thereby improving the seismic performance of the bridge.
[Free Giveaway] Numerous examples of bridge reinforcement methods using external cable systems are published!
Excellent in damping and absorption performance, demonstrating sufficient energy absorption capability even during large-scale earthquakes!
Durability backed by years of experience! By using soundproofing materials, noise is reduced effectively.
This is an introduction to the PC intermediate anchoring method that allows for truss replacement work without stopping bridge traffic!
We will introduce a case study of the hybrid joint (CF type) for bridge expansion devices, which excels in water resistance and durability.
Explanation of the differences and devices for enhancement! I have also summarized the mechanisms for enhancing the functions of the devices.
Contributing to shorter construction periods and lower costs! Vibration control dampers that protect bridge structures in earthquake-prone Japan!
Achieving ultra-long lifespan for deck slabs! Precast PC deck slabs that guarantee ultra-durability for steel bridge deck slabs.
Suitable for various uses at many waterfronts! Contributes to significant cost reduction! Wave-dissipating float is ideal for technical proposals and has been adopted at many sites.
This is a tapping type one-sided bolt with a unique screw shape that firmly adheres to the base material, providing high joint strength. There is also a thicker diameter of φ16mm available.
This is a high-strength one-sided bolt that can be fastened on one side in areas where standard high-strength bolts cannot be installed. It is certified by the Minister of Land, Infrastructure, Transport and Tourism and has over 20 years of sales history.
Newly designed suspended scaffolding with excellent safety and workability.
No secondary water stop needed - seismic performance achieved! Buried expansion device boasting high durability.
We provide a one-package solution for both superstructure and substructure!
Protects rebar from salt damage and prevents early deterioration of reinforced concrete!
Significant cost reduction possible! Rubber bearings for bridges with seismic performance equivalent to Level 2 earthquakes.
FRP drainage basins are products designed for the collection and drainage of water on bridge surfaces. They are listed in "Construction Prices" as "FRP drainage basins for bridges."
Since we can create order drawings in 3D, it is possible to have visually clear meetings using 3D drawings!
Macrocell corrosion inhibiting sacrificial anode material
One-component transparent type concrete surface protection and peeling prevention material.
Structural double-thread anchor bolt set JIS B1220 ABM/ABR
Reduce noise and vibration generation! Easy to install due to its simple structure and manageable weight.
Providing cost performance with excellent mobility and low noise/low vibration! Horizontal (both sides) tooth structure/load support type.
We can accommodate both pre-installed and post-installed methods for various types of bridges, including RC bridges, PC bridges, and steel bridges!
Able to accommodate a wide range of installation conditions! A prestressed wooden slab bridge that can also address environmental measures.
Waterproof layer, asphalt sheet that blends well with pavement, sandwich structure.
We are offering a comprehensive catalog introducing our hybrid joints with a long-term durability of 50 years for free!
Introduction to the basic functions, types, and selection methods of bridge abutments and piers.
Explanation of the main types of bridge foundations: shallow foundations, pile foundations, and caisson foundations.
Explaining the key points and precautions for each construction! Based on the installation of expansion devices, we will introduce the basic methods of construction.
Explaining the differences between replacing and newly installing a telescopic device! Summarized the flow and key points related to replacement.
Integration of road bridge pavement reinforcement and deck waterproofing work NETIS No. KK-220072-A NEXCO Grade 1 compliant
Easy to install and transport, contributing to increased work efficiency and cost-effectiveness.
High fatigue strength and excellent durability ensure sustained high performance over the long term!
This is a large box culvert that can accommodate angled configurations. It can handle an internal width of 5 to 12 meters, an internal height of 2 to 7 meters, and angles from 60° to 90° (in 5° increments).
Bridge inspections and waterfront construction scaffolding are suitable for Pier Float and EZ DOCK. Please consult with our company, which has a proven track record in creating water space.
We support various repair design services for "small-scale bridges."
Improvement of cost-effectiveness in small bridges under 20 meters.
This was used for the seismic reinforcement work on the main girders of bridges in Kanagawa Prefecture on the Tomei Expressway.
The H-shaped steel bridge GHB has a simple structure and meets the needs for replacing medium and small bridges.
A new rust prevention specification that can accommodate a 100-year vision! It achieves a reduction in lifecycle costs.
Creating an expansion joint section integrated with the road! Providing driving performance that completely eliminates the perception of bridge joints.
Excellent sound insulation and water stop performance! Steel finger joints designed for long-span bridges.
Numerous usage records! A telescopic device that has pressure resistance strength against wheel pressure even at the telescopic joint.
A corrosion-resistant anchor device that eliminates the need for filler injection and significantly reduces labor in construction work!
Securely fixed with pressure and adhesive force from wedges! Anchorless girder fixation method.
Introducing examples of bridge construction using FRP materials that are resistant to salt damage, lightweight, and non-decaying!
Sturdy! Lightweight! Corrosion-resistant! Great aesthetics! A bridge made of fiberglass reinforced plastic with four strengths.